An electrical connector or plug that serves as the main power connection for a device or system.
From 'base' (foundation) + 'plug' (Dutch 'plog,' a stopper). A technical term developed with early electrical engineering in the late 1800s.
Most baseplugs are hidden in walls or behind furniture, but they're absolutely critical—unplug one and your entire system goes dark, which shows how foundational they really are.
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